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PEI is mainly used for electrical and electronic components wear - resistant flame retardant insulation in the field of electrical and electronic, including connectors, ordinaryandmicro relayshell, circuit board, coil, flexible circuit, mirror, high precisionopticalcomponentsof high strength and dimensional stabilitys
PVC: (polyvinyl chloride) chemical and physical properties rigid PVC is one of the most widely used plastic materials. PVC material is a kind of non crystalline material. PVC materials often use stabilizers, lubricants, auxiliary processing agents, pigments, anti shock agents and other additives in practical use.s
Polyvinyl chloride (PVC): common in building materials. It is rarely used in food packaging, which is prone to harmful substances at high temperatures and is released even during manufacture.s
(1) objects that are rubbed against each other are made of different substances. The atoms of the same substance check the binding power of the outer electrons are the same, without the loss of electrons, so it is impossible to power them.(2) the two bodies that rub electricity should be insulated from the outside. If the hand holding the metal rod to friction and other objects, the metal rod is not charged, this is because the metal, human body, the earth is a conductor, the metal rod friction on the belt to pass through the human body electric earth, so the metal rods are not charged.To make the two materials rub each other into electricity, two different kinds of materials with significant difference in binding ability are rubbed against each other, which is easier to power up and bring more electricity. Fur and rubber bars, satin and glass sticks, produce more static electricity in an air drying environment.The common physical constraints of electronic technology from weak to strong order: < < < mica glass fur wool nylon silk < < < < < < hard rubber metal sulfur rosin. In the substance listed above, the more friction between the two substances, the more likely the electrification is.s
ABS acrylonitrile (chemical corrosion resistance, surface hardness of butadiene styrene) (toughness) (good processability, good dyeing weatherability, easy oxidation) with good comprehensive performance, high impact toughness and good mechanical properties, excellent heat resistance, oil resistance and chemical stability, stable size, easy to machine processing, surface plating, good electrical properties.s
PS electrical insulation (especially high-frequency insulation) excellent, colorless and transparent, light transmittance after organic glass, color of water resistance, good chemical stability and strength. In general, but the crisp, easy to produce stress cracking, no resistance to benzene. Gasoline and other organic solvents. Suitable for production of transparent insulation decorative pieces and chemical. Instrument. Optical instruments and other parts.s
Hot melt machine brand does not seem too famous, you can find management buy one, although they are not their own production of hot melt machine, but the quality and performance are particularly good, we have a lot of water use, is hot melt machine special for PPR.s
Ecycling of nitrogen from dead to living plants is often the only source of nitrogen in the soil.Fertilizer is the kind of material to help the plant grow.The essential plant nutri...
Natural rubber is commonly referred to as Brazil Hevea.It has been found in more than 2000 kinds of plants with plastic,such as rubber, cassava, rubber America, India fig, Africa a...
Description: Pipes are used for indoor water collecting.It is very important .So it is necessary for you to familiar with how do pipes work.The following are the some information r...
Organic fertilizers are fertilizer compounds that contain one or more kinds of organic matter. The ingredients may be animal or vegetable matter or a combination of the two. It is ...
If you don’t want to pay too much money for having your frozen water pipes fixed and be greatly inconvenienced, then follow the steps below to keep your water pipes in tip top sh...
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